#pragma once 

#include<pthread.h>

class Mutex
{
public:
    Mutex(pthread_mutex_t *lock)
        :lock_(lock)
    {}

    void Lock()
    {
        pthread_mutex_lock(lock_);
    }

    void Unlock()
    {
        pthread_mutex_lock(lock_); 
    }

    ~Mutex()
    {}
private:
    pthread_mutex_t *lock_;
};

class LockGuard
{
public:
    LockGuard(pthread_mutex_t *lock)
        :mutex_(lock)
    {
        mutex_.Lock(); 
    }

    ~LockGuard()
    {
        mutex_.Unlock(); 
    }
private:
    Mutex mutex_;
};
